NEED HELP ASAP The set of ordered pairs below is a relation.
{(1,5), (0, 2), (-1, -1), (-2,-4)}
What is the range of the relation?

1:{-4,-1,2,5}

2:{-2,-1,0,1}

3:{all real numbers from -4 through 5}

4:{all real numbers from -2 through -1}